CN201596866U - Tin solder spillage prevention structure for fixing device - Google Patents

Abstract

The utility model relates to a tin solder spillage prevention structure for a fixing device, in particular to a tin solder spillage prevention structure for preventing tin solder from spilling in assembly and positioning operation. The fixing device is provided with a positioning base; an accommodating space with one side thereof communicated with the outside is arranged inside the positioning base; a butted joint part is arranged on the outer side of the accommodating space and can be clamped and fixed inside an embedment hole of a prearranged plate; and a stop groove is arranged on the outer surface of the butted joint part. When the positioning base is welded with the prearranged plate, the stop groove outside the butted joint part can collect the spilled prearranged solder so as to stop the prearranged tin solder from spilling to the accommodating space, and the positioning base is firmly welded on the prearranged plate. The accommodating space of the positioning base allows a screw passing through a cap sleeve inside a fixing unit to pass through to be locked on another prearranged plate. During assembly, the stop groove arranged at the butted joint part of the positioning base can prevent tin solder from spilling and can firmly position the positioning base on the prearranged plate.

Description

The anti-overflow tin structure of fixture

Technical field

The utility model relates to a kind of anti-overflow tin structure of fixture, it can be for the anti-overflow tin structure that prevents the overflow of tin material in assembling, the positioning operation, to carry out soldering group fashionable when the positioning seat of fixture and default sheet material, utilize the backstop groove of outside, docking section gather overflow default scolder, prevent overflow to accommodation space, keep the unimpeded of accommodation space.

Background technology

General panel (plate is to plate) is pretended when industry in making up, be utilize possess knob is arranged, the set screw of the collar and screw gives interlocking, screw, the collar are fixed on first panel, and turn makes screw lock to form in second panel and presets the location in knob, after utilizing hand-held tool with screw lock again, then make first panel be one, and can be used on the sheet material that machine-tool or other plates connect plate and use for being fixed into the second panel interlocking.

Yet, with regard to power set or speed adjusting device with above-mentioned machine-tool, it all is to be arranged at interior volume that housing forms, and for the user can taken place when machine or fault, be convenient to maintenance during damage or adjust its output speed, then on the housing of the power set of machine-tool or speed adjusting device, being provided with can be for movable assembling, the sheet material of dismounting, but the locate mode between sheet material and machine-tool also is will directly carry out interlocking with plural set screw to fix, yet this kind interlocking fixed form, often in the interlocking process, when unloading sheet material, cause the loss of set screw easily because of user's carelessness, and inconvenience assembling fast, dismounting.

Moreover, develop the fixture of being formed with cap bag, threaded shank and positioning seat by the dealer, after earlier the positioning seat of fixture being fastened in the perforation of sheet material, and it is fixing to utilize the threaded shank interlocking to form on another sheet material, then when the user unloads sheet material, fixture still can be fixed in the perforation of sheet material by positioning seat, and can the situation of spare part not take place to lose because of user's carelessness; In addition, fixture and sheet material are assembled mode, utilize automated machine to get positioning seat, its front end is aligned in the perforation that is embedded on the sheet material, to position seat and the sheet material perforation back welding process of tin cream on every side, and solid welding is combined into one, and spring housing is connected on the threaded shank again, and utilizes automated machine to get cap bag and carry out aligning the good block location of crimping assembling formation with positioning seat.

Yet; general positioning seat mostly is stainless steel (Stainless Steel) greatly; or other metal materials via surface treatment (as electroplating; chemical plating etc.) made; make its positioning seat can be because of the effect of surface characteristic; refuse weldering property and scolder had; promptly must attach scaling powder in weld; and can be coated with tin cream at positioning seat front opening place earlier usually; but because of positioning seat carry out with sheet material on perforation when carrying out back welding process; with use establish tin cream between positioning seat and sheet material perforation with weldering can Yin Gaowen and produce the disappearance generation of fusion; so that liquid tin just can infiltrate along minim gap between positioning seat surface and perforation; produce the excessive tin situation of siphonage (be commonly referred to as and overflow tin or climb the too high phenomenon of tin); even have tin cream and infiltrate positioning seat front opening internal face place; form the obstruction of opening; influencing threaded shank can't expose outside the opening; and cause fixture and another sheet material to carry out interlocking fixedly the time; inconvenience and degree of difficulty on assembling is done already; and make the bond area of scolder between positioning seat and the perforation quite limited easily; and adhesion; disappearance such as weld strength reduction takes place; also may peel off because of scolder; cause the structural destruction in welding position, and then cause increase of fixture product fraction defective and quality keyholed back plate to be difficult for; the raising of production cost.

Be with, how effectively to solve above-mentioned butt joint sheet material when weld job, solder overflow taking place influence the disappearance and deficiency that the fixture assembling operation has some setbacks, cause the obstruction of sheet material processing operation, is the design people and the direction place of being engaged in this journey improvement that the dealer desires most ardently.

Summary of the invention

Utility model people is because above-mentioned problem and disappearance, so collection related data, via assessing in many ways and considering, and to engage in the many years of experience of the industry accumulation, via constantly studying and revising, beginning is designed this kind and can prevent to weld the utility model of the default scolder overflow of usefulness to the anti-overflow tin structure of the fixture of fixture inside in the processing operation process of fixture.

Main purpose of the present utility model is that this fixture is provided with positioning seat, and positioning seat inside has accommodation space, be provided with the docking section in the outside of accommodation space one side again, and the docking section outer surface is provided with the backstop groove, it is fashionable to carry out soldering group in positioning seat and default sheet material, utilize the backstop groove of outside, docking section to gather the default scolder of overflow, to stop that default scolder overflow is to accommodation space, keep the unimpeded of the inner accommodation space of positioning seat, and the bonding area between the embedded hole of the docking section of increase positioning seat and default sheet material, increase the weld strength between positioning seat and default sheet material, positioning seat is stable, firm is welded on the default sheet material, and sharp again positioning seat is for the fixed cell assembling, in conjunction with.

When secondary objective of the present utility model is the positioning seat assembling fixed cell of this fixture, the screw rod that utilizes fixed cell to wear in cap sleeve inside, pass the accommodation space of positioning seat inside, be locked on again on another default sheet material, make things convenient for fixed cell and positioning seat assembling, combine, the default scolder that can not be subjected to overflow influences.

Another purpose of the present utility model is the backstop groove that positioning seat is set in the docking section, when then between positioning seat and default sheet material, carrying out welding processing, can clog in backstop groove inside for the default scolder of overflow, and produce fastening welding, combine, and increase weld strength between positioning seat and default sheet material, also strengthen the stability of tensile strength, lifting weld job with the embedded hole internal face of default sheet material.

For reaching above-mentioned purpose, the anti-overflow tin structure of a kind of fixture of the utility model, it is for for the anti-overflow tin structure that prevents the overflow of tin material in assembling, the positioning operation, wherein:

This fixture is provided with the positioning seat that is positioned on the default sheet material, and positioning seat inside is provided with the accommodation space that connects shape, and outside one side of accommodation space is provided with the docking section of being fixed in default sheet material, is provided with in the docking section outer surface to stop the backstop groove of default scolder overflow to accommodation space again.

Wherein, the accommodation space of this positioning seat, the screw rod that is arranged in cap sleeve inside for fixed cell penetrates, and be buckled in the outside of positioning seat for the cap sleeve active card of fixed cell, and cap sleeve inside has and the outside accommodation space that connects.

Wherein, the accommodation space of this positioning seat is provided with the baffle ring shoulder that is the constriction shape, and an elastomeric side of utilizing stop ring shoulder to establish in screw jacket for fixed cell supports spacing.

Wherein, this positioning seat is in the cap engagement position of accommodation space outside with fixed cell, and it is provided with body flange in the positioning seat outside, the cap sleeve inboard promptly is provided with the spacing ring body for the body flange blocking.

Wherein, the backstop groove that this positioning seat one side is set in the docking section is recessed channel form, tipper shape, arc groove shape or different shape groove.

The utility model also provides a kind of anti-overflow tin structure of fixture, and it is made up of fixed cell, positioning seat for for preventing the anti-overflow tin structure of tin material overflow to fixture inside in assembling, the positioning operation, wherein:

This fixed cell comprises cap sleeve and screw rod, and cap sleeve inside has the accommodation space that is used to take in screw rod, and have for screw rod in accommodation space one side and to stretch out outside opening, and opening is provided with to projecting inward spacing ring body, and the screw rod outer cover in accommodation space is provided with elastomer again;

This positioning seat is mounted on the accommodation space of fixed cell, have active card and be buckled in the body flange of the spacing ring body of opening part, inside is provided with and connects the accommodation space that shape supplies the screw rod of fixed cell to penetrate, and the opposite side away from body flange is provided with the docking section of extending the accommodation space outside, is provided with in the docking section outer surface to stop the backstop groove of default scolder overflow to accommodation space again.

Wherein, the backstop groove that this positioning seat is set in the docking section is recessed channel form, tipper shape, arc groove shape or different shape groove.

Description of drawings

Fig. 1 is a positioning seat stereo appearance figure of the present utility model;

Fig. 2 is the side-looking sectional exploded view of the utility model preferred embodiment;

Fig. 3 is a side-looking sectional exploded view of the present utility model;

Fig. 4 is the side cutaway view of another embodiment of the utility model.

Description of reference numerals: 1-positioning seat; The 10-accommodation space; 101-baffle ring shoulder; The 11-docking section; 111-supports ring body; 1111-root edge face; 112-backstop groove; The 12-body flange; The 2-fixed cell; The 20-accommodation space; The 201-opening; The spacing ring body of 2011-; The 202-embeded slot; The 203-open-work; The 21-cap sleeve; The 22-screw rod; The 221-elastomer; 222-bar head; The 223-driving body; 3-sheet material; The 30-embedded hole; The 301-lateral surface; The 31-screw; The 4-scolder.

The specific embodiment

For reaching above-mentioned purpose and effect, technological means that the utility model adopted and structure thereof, drawing now illustrates in detail that with regard to preferred embodiment of the present utility model its feature and function are as follows, in order to understanding fully.

See also Fig. 1, Fig. 2, shown in Figure 3, side-looking sectional exploded view, side-looking sectional exploded view for positioning seat stereo appearance figure of the present utility model, preferred embodiment, find out that by knowing shown in the figure fixture of the present utility model comprises that positioning seat 1, fixed cell 2 etc. form, wherein:

This holder 1 is provided with the accommodation space 10 of perforation in inside, and accommodation space 10 inside are provided with the baffle ring shoulder 101 that is the constriction shape, be provided with docking section 11 in accommodation space 10 outside sides again, and 11 convex with in positioning seat 1 outer rim and to support ring body 111 in the docking section, the side that docking section 11 closely supports ring body 111 then is provided with the backstop groove 112 of channel form, again outside accommodation space 10 away from the opposite side of docking section 11, promptly convex with body flange 12.

This fixed cell 2 has accommodation space 20 in cap sleeve 21 inside, and accommodation space 20 1 sides are provided with opening 201 and connect with outside, and opening 201 inner edges are for convexing with spacing ring body 2011, then the opposite side away from opening 201 is provided with embeded slot 202, and be provided with and the outside open-work 203 that connects by embeded slot 202 places, can utilize accommodation space 20 to wear for screw rod 22, for screw rod 22 opening 201 outsides that stretch through out, and be arranged with elastomer 221 on the screw rod 22, the bar head 222 of one side is for fixing, be positioned in the embeded slot 202 of accommodation space 20, and the driving body on the bar head 221 223, it is the open-work 203 that passes embeded slot 202, and expose cap sleeve 21 outsides, be fixedly arranged on cap sleeve 21 inside for screw rod 22.

Above-mentioned each member is when reality is used, the docking section 11 of positioning seat 1 is embedded in the embedded hole 30 of default sheet material 3, and utilize the root edge face 1111 that supports ring body 111 of docking section 11, be resisted against on the embedded hole 30 apical margin lateral surfaces 301, and the backstop groove 112 for docking section 11 is positioned at embedded hole 30,11 the root edge face 1111 that supports ring body 111 then in the docking section, 301 of embedded hole 30 apical margin lateral surfaces, default scolder 4 is set, when then carrying out welding processing for positioning seat 1 and default sheet material 3, utilize default scolder 4 in conjunction with docking section 11 and embedded hole 30, then 11 the root edge face that the supports ring body 111 1111 past opposite side overflows of default scolder 4 along the docking section, and default scolder 4 overflows to the docking section 11 backstop groove 112 places, then be collected at backstop groove 112 places for default scolder 4, can prevent effectively that default scolder 4 is again toward outside overflow, avoid default scolder 4 overflows to the accommodation space 10 of positioning seat 1,11 backstop groove 112 places gather default simultaneously scolder 4 in the docking section, and form more large-area the contact with the internal face of embedded hole 30, and the contact area that forms default scolder 4 and embedded hole 30 internal faces enlarges, also more firm solder bond, then firmly be positioned at surely on the default sheet material 3 for positioning seat 1, to increase the weld strength of 3 of positioning seat 1 and default sheet materials, be difficult for being toppled over by external force collision, also be difficult for by pull, break away from, reach positioning seat 1 is firmly welded, be positioned at the purpose on the default sheet material 3.

Moreover, the positioning seat 1 of fixture is stable, firm is positioned on the default sheet material 3, then can on positioning seat 1, assemble fixed cell 2, utilize the accommodation space 10 of positioning seat 1, the screw rod 22 that sets firmly in cap sleeve 21 for fixed cell 2 passes, embed the opening 201 of cap sleeve 21 again with the body flange 12 at positioning seat 1 top, and embed cap sleeve 21 inner accommodation spaces 20 for body flange 12, and active card is built in spacing ring body 2011 places of opening 201 inboards, the elastomer 221 of screw rod 22 outside institute suits then, soon a side supports the baffle ring shoulder 101 in the accommodation space 10 of positioning seat 1, so that fixed cell 2 activities are assembled on the positioning seat 1, promptly group constitutes fixture of the present utility model.

The cap sleeve 21 of said fixing unit 2 wears screw rod 22 in inner accommodation space 20, the bar head 222 of screw rod 22 1 sides, tightly be embedded in the embeded slot 202 of accommodation space 20, and screw rod 22 is in the set driving body 223 of bar head 222 opposite sides, promptly pass outside the open-work 203 of cap sleeve 21, and driving body 223 is outer-hexagonal shape, inner hexagonal hole, the in-line groove, cross bath, polygonal body, various shapes such as polygonal hole for default hand-held tool operation driving, then Yu She hand-held tool promptly can be open-end wrench, double offset ring spanner, ratchet spanner, die nut, box spanner, one word bottle opener, cross driver, vice, the hand-held tool of various types such as nipper plier.

And above-mentioned default scolder 4 promptly can be the material agent of tin cream, tin ball, scolding tin or other welding usefulness.

And the fixture desire is with a plurality of default sheet material 3 assemblings, in conjunction with the time, positioning seat 1 can will be installed with, the default sheet material 3 of fixed cell 2, repeatedly place on another default sheet material 3, utilize 22 pairs of the screw rods of fixed cell 2 to be positioned at the screw 31 of another default sheet material 3 again, the driving head 223 that exposes cap sleeve 21 outsides again by screw rod 22 in bar head 222 opposite sides, utilize default hand-held tool to control this driving head 223, lock in the screw 31 of another default sheet material 3 to drive screw rod 22, and the elastomer 221 of 1 of cap sleeve 21 and positioning seat compressed, by means of fixture firm in conjunction with two default sheet materials 3.

See also Fig. 2, Fig. 3, shown in Figure 4, it is the side-looking sectional exploded view of the utility model preferred embodiment, the side-looking sectional exploded view, the side cutaway view of another embodiment, find out by knowing shown in the figure, the positioning seat 1 of fixing apparatus of the present utility model, in the docking section 11 support the set backstop groove 112 of ring body 111 sides, can be recessed channel form, the tipper shape, arc groove shape or different shape groove, when carrying out the welding processing operation for positioning seat 1 and default sheet material 3, backstop groove 112 by docking section 11 effectively gathers default scolder 4, prevent in the welding process default scolder 4 along the docking section 11 overflows to accommodation space 10, avoid default scolder 4 to infiltrate accommodation space 10, can not stop that promptly the screw rod 22 of fixed cell 2 passes accommodation space 10.

And positioning seat 1 11 is provided with difform backstop groove 112 in the docking section, can increase the capacity that backstop groove 112 gathers default scolder 4, then supply between the internal face of embedded hole 30 of backstop groove 112 and default sheet material 3, form wider contact, and can increase the structural strength of welding, combination, also can reduce the probability that positioning seat 1 was detached, withdrawed from default sheet material 3, for the firm solid welding of positioning seat 1 on default sheet material 3; Moreover, positioning seat 1 is 11 set backstop grooves 112 in the docking section, can clog in backstop groove 112 inside for the default scolder 4 of overflow, and produce fastening welding, combination, and increase positioning seat 1 with the weld strength of 3 of default sheet materials, also strengthen the stability of tensile strength, lifting weld job with embedded hole 30 internal faces of default sheet material 3.

Be with, the above only is preferred embodiment of the present utility model, non-so limit to claim of the present utility model, the anti-overflow tin structure of the utility model fixture, it is the backstop groove 112 that is provided with channel form by means of the docking section 11 of positioning seat 1, can utilize positioning seat 1 with docking section 11, be embedded at the embedded hole 30 of default sheet material 3 and carry out welding processing, and the backstop groove 112 that reaches by docking section 11 gathers default scolder 4, prevent the purpose of default scolder 4 overflows to the accommodation space 10 of positioning seat 1 inside, and gather default scolder 4 by backstop groove 112, to increase the bonding area of docking section 11 and embedded hole 30, can reach that positioning seat 1 is stable, the firm purpose that is incorporated into default sheet material 3, assemble the screw rod 22 of fixed cells 2 again by the accommodation space 10 of positioning seat 1, utility function with a plurality of default sheet materials 3 of ease of assembly after the composition fixture, so can reach the structure of aforementioned effect such as, device is contained by the utility model all should, simple and easy modification of this kind and equivalent structure change, all should in like manner be contained in the claim of the present utility model, close and give Chen Ming.

When the anti-overflow tin of above-mentioned the utility model fixture is configured in actual use, can have following advantage, as:

(1) positioning seat 1 11 is provided with backstop groove 112 in the docking section, then positioning seat 1 is welded on the default sheet material 3, can rely on backstop groove 112 to gather the default scolder 4 of overflow, prevent the accommodation space 10 of default scolder 4 overflows to positioning seat 1, unimpeded with maintenance accommodation space 10, and the screw rod 22 of ease of assembly fixed cell 2.

(2) positioning seat 1 is with the set backstop groove 112 in docking section 11, the default scolder 4 of overflow when gathering welding processing, and the contact area of the welding of embedded hole 30 internal faces of increase docking section 11 and default sheet material 3, and can improve the weld strength of 3 of positioning seat 1 and default sheet materials, be difficult for by pull, break away from default sheet material 3 for positioning seat 1.

(3) positioning seat 1 in the docking section 11 set backstop grooves 112, can clog in backstop groove 112 inside for the default scolder 4 of overflow, and produce fastening welding, combine with embedded hole 30 internal faces of default sheet material 3, and increase positioning seat 1 and 3 of default sheet materials weld strength, strengthen the stability of tensile strength, lifting weld job.

So; the utility model is the anti-overflow tin structure design of main fixture; for the positioning seat by fixture is provided with the backstop groove in the docking section; when carrying out the welding processing operation for positioning seat and default sheet material; the backstop groove that can reach by the docking section gathers default scolder; prevent that default scolder overflow to the accommodation space in the positioning seat from being main key protection point; and the backstop groove of the docking section by positioning seat gathers default scolder; increase the solder bond intensity of positioning seat and default sheet material; positioning seat is stablized be fixedly arranged on default sheet material; and the function of ease of assembly fixed cell, and have stable welding for fixture; be incorporated into the advantage of default sheet material.

The above person only, it only is preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, so the change of numerical value or displacement of equivalent elements such as, or, all should still belong to the category that the utility model patent contains according to equalization variation and modification that the utility model claim is done.

Claims (7)

1. the anti-overflow tin structure of a fixture, it is characterized in that for for the anti-overflow tin structure that prevents the overflow of tin material in assembling, the positioning operation:

This fixture is provided with the positioning seat that is positioned on the default sheet material, and positioning seat inside is provided with the accommodation space that connects shape, and outside one side of accommodation space is provided with the docking section of being fixed in default sheet material, is provided with in the docking section outer surface to stop the backstop groove of default scolder overflow to accommodation space again.

2. the anti-overflow tin structure of fixture according to claim 1, it is characterized in that, the accommodation space of this positioning seat, the screw rod that is arranged in cap sleeve inside for fixed cell penetrates, be buckled in the outside of positioning seat for the cap sleeve active card of fixed cell, and cap sleeve inside has and the outside accommodation space that connects.

3. as the anti-overflow tin structure of fixture as described in the claim 2, it is characterized in that the accommodation space of this positioning seat is provided with the baffle ring shoulder that is the constriction shape, an elastomeric side of utilizing stop ring shoulder to establish in screw jacket for fixed cell supports spacing.

4. as the anti-overflow tin structure of fixture as described in the claim 2, it is characterized in that, this positioning seat is in the cap engagement position of accommodation space outside with fixed cell, and it is provided with body flange in the positioning seat outside, the cap sleeve inboard promptly is provided with the spacing ring body for the body flange blocking.

5. the anti-overflow tin structure of fixture according to claim 1 is characterized in that the backstop groove that this positioning seat one side is set in the docking section is recessed channel form, tipper shape, arc groove shape or different shape groove.

6. the anti-overflow tin structure of a fixture, it is for for preventing the overflow of tin material extremely in assembling, the positioning operation

The anti-overflow tin structure of fixture inside is made up of fixed cell, positioning seat, it is characterized in that:

This fixed cell comprises cap sleeve and screw rod, and cap sleeve inside has the accommodation space that is used to take in screw rod, and have for screw rod in accommodation space one side and to stretch out outside opening, and opening is provided with to projecting inward spacing ring body, and the screw rod outer cover in accommodation space is provided with elastomer again;

This positioning seat is mounted on the accommodation space of fixed cell, have active card and be buckled in the body flange of the spacing ring body of opening part, inside is provided with and connects the accommodation space that shape supplies the screw rod of fixed cell to penetrate, and the opposite side away from body flange is provided with the docking section of extending the accommodation space outside, is provided with in the docking section outer surface to stop the backstop groove of default scolder overflow to accommodation space again.

7. as the anti-overflow tin structure of fixture as described in the claim 6, it is characterized in that the backstop groove that this positioning seat is set in the docking section is recessed channel form, tipper shape or arc groove shape or different shape groove.

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